<template>
  <div>
    <content-box one="用户管理" two="用户列表">
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 通过v-model和queryInfo.query绑定 -->
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            class="input-with-select"
            clearable
            @clear="getUserList()"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="adduserDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <!-- 编号 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名" width="180">
        </el-table-column>
        <el-table-column prop="email" label="邮箱" width="180">
        </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column prop="my_state" label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
              <!-- mg。state发生变化触发 -->
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>

            <!-- 删除按钮 -->

            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip
              :enterable="false"
              effect="dark"
              content="分配角色"
              placement="top-start"
            >
              <el-button type="warning" icon="el-icon-setting" size="mini">
              </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.num"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </content-box>
    <el-dialog
      title="添加用户"
      :visible.sync="adduserDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <el-form
        :model="addForm"
        status-icon
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input
        ></el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="adduserDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editInfo"
        status-icon
        :rules="addFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <!-- prop是对应校验规则 -->
        <el-form-item label="用户名">
          <el-input v-model="editInfo.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editInfo.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editInfo.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      //验证邮箱的正则表达式
      const regEmail = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
      if (regEmail.test(value)) {
        //合法邮箱
        return cb();
      }
      cb(new Error("请输入合法邮箱"));
    };
    //验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      //验证邮箱的正则表达式
      const regMobile = /^(?:(?:\+|00)86)?1(?:(?:3[\d])|(?:4[5-7|9])|(?:5[0-3|5-9])|(?:6[5-7])|(?:7[0-8])|(?:8[\d])|(?:9[1|8|9]))\d{8}$/;
      if (regMobile.test(value)) {
        //合法邮箱
        return cb();
      }
      cb(new Error("请输入合法手机号"));
    };
    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: "",
        //当前的页数
        pagenum: 1,
        //当前每页显示多少条数据
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      //   控制添加用户对话框的显示与隐藏
      adduserDialogVisible: false,
      //   控制编辑用户对话框的显示与隐藏
      editDialogVisible: false,
      //查询用户信息对象
      editInfo: {},
      // 添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 5 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    //获取数据
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userlist = res.data.users;
      this.total = res.data.total;
      // console.log(res);
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    handleCurrentChange(newPage) {
      // console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听switch状态变换
    async userStateChanged(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed() {
      // console.log(this.$refs);
      this.$refs.addFormRef.resetFields();
    },
    //展示编辑用户信息的对话框
    //通过scope.row.id 获取点击改行的id
    async showEditDialog(id) {
      //  console.log(id);
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.$message.success(res.meta.msg);
      // console.log(res);
      this.editDialogVisible = true;
      this.editInfo = res.data;
    },
    //监听修改用户信息的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //预校验添加用户表单
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        // console.log(valid);
        //校验是否通过
        if (!valid) return;
        //可以发起添加用户请求
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201)
          return this.$message.error("用户数据上传失败");
        this.$message.success(res.meta.msg);
        // console.log(res);
        this.adduserDialogVisible = false;
        this.getUserList();
      });
    },
    //预校验修改用户表单并提交
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        // 解构赋值
        //发送修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          "users/" + this.editInfo.id,
          { email: this.editInfo.email, mobile: this.editInfo.mobile }
        );
        if (res.meta.status !== 200) return this.$message.error("更新数据失败");
        //关闭修改框
        this.editDialogVisible = false;
        //更新表单数据
        this.getUserList();
        this.$message.success("更新数据成功");
      });
    },
    async removeUserById(id) {
      let userlength = this.userlist.length;
      console.log(id);
      const confirmResult = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
        //点击取消会触发$confirm错误
      ).catch((err) => err);

      if (confirmResult !== "confirm") return this.$message.info("已取消删除");

      const { data: res } = await this.$http.delete("users/" + id);

      if (res.meta.status !== 200) return this.$message.error("删除用户失败");
      //若当前页面只剩一条信息删除后会出现空白页bug
      if (userlength == 1 && this.queryInfo.pagenum > 1) {
        this.queryInfo.pagenum -= 1;
      }
      this.getUserList();
      this.$message.success("删除用户成功");
    },
  },
};
</script>

<style lang="less" scoped>
</style>

